4. Electrical audio signal processing systems and devices
  5. Binaural and stereophonic
  6. Broadcast or multiplex stereo

Hazen L. MacIntyre

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Battery monitoring system of cell groups and display

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent

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Emergency lighting apparatus

Illumination – Automatic substitution of power supply or light source
Patent

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Interrelational audio kinetic entertainment system

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Profile ID: LFUS-PAI-P-265537

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